Two MPs wrote to Ethics Commissioner Mary Dawson on Thursday calling on her to determine whether Conservative MP Mark Adler violated ethics rules by selling fundraising tickets to dozens of lobbyists, including many who met with him in the course of his work on the finance committee.

Conservative MP Mark Adler invited dozens of lobbyists to a fundraiser last year, including many who lobbied him directly in relation to his work on the finance committee, despite guidelines from the ethics commissioner that say MPs should not ask for money from those they meet in their official capacity.